servicefactory.java

这是《Struts网络编程实例》一书zhogn 的源代码部分

package org.ithinking.strutsExample.service;

import org.ithinking.strutsExample.serviceImpl.UserInfoServiceImpl;

public class ServiceFactory {
	private static UserInfoService userInfoService;
	public static UserInfoService getUserinfService()
	{
		if(userInfoService==null)
		{
			userInfoService=new UserInfoServiceImpl();
		}
		return userInfoService;
	}

}